37. Clustering and Session Replication in Tomcat 9

Опубликовано: 20 Июнь 2026
на канале: Nico Kock
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How to cluster an application that uses sessions

What is Clustering ?

Definition and purpose of clustering in Tomcat.

How Session Ids are used in Clustering

Explanation of how session IDs play a role in clustering.

Understanding how Sessions get replicated in a Cluster

Overview of the process of session replication in a Tomcat cluster

Learn more here:

https://tomcat.apache.org/tomcat-9.0-...

Review our Session concepts

Sessions used to identify the Client on the Server

Major security concerns related to sessions as described by owasp.org

We learned how to use Sessions in our Charity Registration Web Application

We did this by adding a login page and an in-memory database of user sessions

Lastly we learned about the concept of server clustering in relation to the Tomcat web server that we are using

Tomcat 9 Clustering Course Documentation: https://nicordesignsllc.github.io/Jak...

Tomcat 9 Clustering Git Branch

https://github.com/NicorDesignsLLC/Ja...